Access saidaauto.co.jp. 八王子の板金塗装（自動車修理）【サイダオート】

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value650 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.614

10/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

saidaauto.co.jp

560 ms

www.saidaauto.co.jp

889 ms

gtm.js

66 ms

styles.css

178 ms

slick.css

360 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 96% of them (103 requests) were addressed to the original Saidaauto.co.jp, 2% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Saidaauto.co.jp.

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Saidaauto.co.jp main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 19.2 kB

Original 25.5 kB
After minification 19.9 kB
After compression 6.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 5.6 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.2 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 18.4 kB

Original 1.1 MB
After minification 1.1 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Saidaauto images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 4.3 kB

Original 83.9 kB
After minification 83.6 kB
After compression 79.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-24%

Potential reduce by 2.2 kB

Original 9.3 kB
After minification 9.2 kB
After compression 7.0 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Saidaauto.co.jp needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 24% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Saidaauto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Saidaauto.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Saidaauto.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

saidaauto.co.jp

Open Graph description is not detected on the main page of Saidaauto. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

八王子の板金塗装（自動車修理）【サイダオート】

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

saidaauto.co.jp

www.saidaauto.co.jp

gtm.js

styles.css

slick.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

saidaauto.co.jp

www.saidaauto.co.jp

gtm.js

styles.css

slick.css

tiny.css

jquery.js

rollover.min.js

current.js

page-scroller.js

ga.js

slick.js

base.css

fonts.css

__utm.gif

ga.js

index_body_bg.gif

index_header_bg.jpg

header_tagline_right.gif

header_tagline_left.gif

header_logo.gif

header_gnav01_off.gif

header_gnav02_off.gif

header_gnav03_off.gif

header_gnav04_off.gif

header_gnav05_off.gif

header_gnav06_off.gif

header_tel.gif

header_btn_contact_off.gif

slider_idx_01.jpg

slider_idx_02.jpg

slider_idx_03.jpg

index_bnr_campaign_off.gif

index_ti01.gif

index_img01.jpg

blue_thickbox_mid.gif

index_boxline.gif

blue_thickbox_top.gif

blue_thickbox_btm.gif

index_img02.jpg

index_btn_staff_off.gif

index_img03.jpg

index_btn_voice_off.gif